385417550887 has 4 divisors (see below), whose sum is σ = 386581954696. Its totient is φ = 384253147080.

The previous prime is 385417550873. The next prime is 385417550891. The reversal of 385417550887 is 788055714583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385417550887 - 2¹¹ = 385417548839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385417550867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582201408 + ... + 582202069.

It is an arithmetic number, because the mean of its divisors is an integer number (96645488674).

Almost surely, 2^385417550887 is an apocalyptic number.

385417550887 is a deficient number, since it is larger than the sum of its proper divisors (1164403809).

385417550887 is a wasteful number, since it uses less digits than its factorization.

385417550887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164403808.

The product of its (nonzero) digits is 37632000, while the sum is 61.

The spelling of 385417550887 in words is "three hundred eighty-five billion, four hundred seventeen million, five hundred fifty thousand, eight hundred eighty-seven".